ASTM-D7060 2009

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D7060-09 Standard Test Method for Determination of the Maximum Flocculation Ratio and Peptizing Power in Residual and Heavy Fuel Oils (Optical Detection Method)

Published By	Publication Date	Number of Pages
ASTM	2009	12

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Categories: 75.160.20 - Liquid fuels, ASTM

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Description

1.1 This test method covers a procedure for quantifying the maximum flocculation ratio of the asphaltenes in the oil and the peptizing power of the oil medium, by an automatic instrument using an optical device.

1.2 This test method is applicable to atmospheric or vacuum distillation residues, thermally cracked residue, intermediate and finished residual fuel oils, containing at least 1 mass % asphaltenes. This test method has not been developed for asphalts.

Note 1An optical probe detects the formation of flocculated asphaltenes. The start of flocculation is interpreted when a significant and sustained increase in rate-of-change of signal, as measured by the optical probe, ensures flocculation is in progress. The start of flocculation can be detected unambiguously when the sample contains at least 1 % mass asphaltenes as measured by Test Method D 6560 .

Note 2This test method is applicable to products typical of Specification D 396 Grades 5L, 5H, and 6, and Specification D 2880 Grades 3-GT and 4-GT.

1.3 This test method was evaluated in an interlaboratory study in the nominal range of 32 to 76 for the maximum flocculation ratio and in the nominal range of 36 to 95 for peptizing power.

Note 3The nominal range is determined by (min. sample mean Reproducibility) to (max. sample mean + Reproducibility).

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use Interferences
3	Apparatus Reagents and Materials FIG. 1
4	Sampling and Test Specimens Preparation of Apparatus Performance Check and QC Procedure TABLE 1
5	Calculation of Results FIG. 2
6	Report Precision and Bias Keywords A1. INTEGRATED AUTOMATED ANALYTICAL MEASUREMENT SYSTEM A1.1 General A1.2 Automatic Titration Unit A1.3 Heater A1.4 Magnetic Stirrer A1.5 Optical Probe A1.6 Reaction Cell plus Lid TABLE 2
7	FIG. A1.1
8	FIG. A1.2 FIG. A1.3 FIG. A1.4
9	X1. USE OF FRmax AND Po FOR COMPATIBILITY TESTING X1.1 X1.2 FIG. A1.5
10	X2. GUIDANCE FOR ISOLATING ASPHALTENES X2.1 X2.2 Procedure to Isolate Asphaltenes X2.3 X3. EXAMPLE OF CETANE TITRATION X3.1 X3.2 X3.3 X3.4 TABLE X1.1
11	X4. DETAILED AUTOMATIC TEST PROGRAM X4.1 X4.2 X4.3 TABLE X3.1
12	FIG. X4.1

Additional information

Standard Title	D7060-09 Standard Test Method for Determination of the Maximum Flocculation Ratio and Peptizing Power in Residual and Heavy Fuel Oils (Optical Detection Method)
Published Code	ASTM
Publication Date	2009
Pages Count	12
ICS Codes	75.160.20 - Liquid fuels

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ASTM-D7060 2009

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